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Sinlaku Continues to Impact the Marianas; Severe Weather from the Central US to the Northeast; Late-Season Snow in the Northwest

Sinlaku continues to bring destructive winds, widespread heavy rain/flooding, and storm surge to the Marianas. Showers and severe thunderstorms are expected from the Northeast to the Mid-Mississippi Valley and to the Central/Southern Plains through Thursday. A front will produce late-season snowfall over the Cascades and Northern Rockies and coastal rain over the Northwest Coast through Thursday. Read More >

Hazardous Weather Conditions

Current conditions at

Lost Trail Pass (ITD87)

Lat: 45.69302°NLon: 113.94835°WElev: 7090.0ft.

Rain

38°F

3°C

Humidity 63%
Wind Speed WSW 8 MPH
Barometer NA
Dewpoint 27°F (-3°C)
Visibility 1.24 mi
Wind Chill32°F (0°C)
Last update 15 Apr 05:15 PM MDT
Extended Forecast for

4 Miles S Gibbonsville ID

Winter Weather Advisory April 15, 06:00pm until April 16, 09:00am
Click here for hazard details and duration
Winter Weather Advisory

  • This Afternoon

    This Afternoon: Rain, possibly mixed with snow showers. Some thunder is also possible. Snow level 6000 feet. High near 47. Southwest wind around 16 mph, with gusts as high as 33 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 47 °F

    Rain/Snow

  • Tonight

    Tonight: Rain and snow showers, becoming all snow after 7pm. Some thunder is also possible. Low around 25. West southwest wind 6 to 15 mph becoming north northwest in the evening. Winds could gust as high as 32 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

    Low: 25 °F

    Rain/Snow
    then Snow
    Likely

  • Thursday

    Thursday: Snow, mainly before 1pm. High near 33. Northwest wind 6 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 33 °F

    Snow

  • Thursday Night

    Thursday Night: A 30 percent chance of snow. Mostly cloudy, with a low around 24. North northwest wind 5 to 14 mph becoming west after midnight. Winds could gust as high as 28 mph. New snow accumulation of less than a half inch possible.

    Low: 24 °F

    Chance Snow

  • Friday

    Friday: Snow likely, mainly after noon. Mostly cloudy, with a high near 37. Light and variable wind becoming west northwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 37 °F

    Snow Likely

  • Friday Night

    Friday Night: Mostly clear, with a low around 23.

    Low: 23 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 50.

    High: 50 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 31.

    Low: 31 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 59.

    High: 59 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Rain, possibly mixed with snow showers. Some thunder is also possible. Snow level 6000 feet. High near 47. Southwest wind around 16 mph, with gusts as high as 33 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Tonight
Rain and snow showers, becoming all snow after 7pm. Some thunder is also possible. Low around 25. West southwest wind 6 to 15 mph becoming north northwest in the evening. Winds could gust as high as 32 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
Thursday
Snow, mainly before 1pm. High near 33. Northwest wind 6 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Thursday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 24. North northwest wind 5 to 14 mph becoming west after midnight. Winds could gust as high as 28 mph. New snow accumulation of less than a half inch possible.
Friday
Snow likely, mainly after noon. Mostly cloudy, with a high near 37. Light and variable wind becoming west northwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Friday Night
Mostly clear, with a low around 23.
Saturday
Sunny, with a high near 50.
Saturday Night
Partly cloudy, with a low around 31.
Sunday
Mostly sunny, with a high near 59.
Sunday Night
Mostly cloudy, with a low around 37.
Monday
Mostly sunny, with a high near 66.
Monday Night
Partly cloudy, with a low around 40.
Tuesday
A slight chance of rain. Mostly sunny, with a high near 65.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 42.
Wednesday
A chance of rain and snow. Partly sunny, with a high near 57.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles S Gibbonsville ID
 45.51°N 113.9°W (Elev. 5600 ft)
Last Update:
2:01 pm MDT Apr 15, 2026
Forecast Valid:
5pm MDT Apr 15, 2026-6pm MDT Apr 22, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation